Once in a Blue Moon

Recording by Nils Hoffmann.

Recording identifiers

ISRC
DEBE71900538
CopyrightID (CopyrightChains transaction hash)
0x86d16114bc785f49e25c730e42edf0134c0786799f636cc318a68c5f119feeeb
Copyright registration time
2026-06-04T16:49:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0f623029101836866689eeb4ef326b69b9f44a0516f1bedc356cb22c7765b614

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.